Talking about this new song Not Yesterday, besides the Swedish trio, well-known Swedish House Mafia collaborators are included as writers. You can find Vargas & Lagola (Vincent Pontare and Salem Al Fakir) known for having collaborated on the production process of Save The World, as well as Axwell /\ Ingrosso More Than You Know EP.
Another name that appears in the writers’ section is Magnus Lidehäll. He worked in the past together with Sebastian Ingrosso on FLAGS! and Dark River and he’s listed in the credits of It Gets Better as well.